延长
近义词与同义词
按词义分组列出，使用时请结合具体语境。
an addition to the length of something
the act of lengthening something
the consequence of being lengthened in duration
lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
act of expanding in scope; making more widely available; "extension of the program to all in need"
基本解释
1.绵延久长。
2.向长的方面发展。